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. 1971 Apr;122(2):219-24.
doi: 10.1042/bj1220219.

Accumulation of untranslated lactose-specific messenger ribonucleic acid during catabolite repression in Escherichia coli

M Aboud, M Burger

Accumulation of untranslated lactose-specific messenger ribonucleic acid during catabolite repression in Escherichia coli

M Aboud et al. Biochem J. 1971 Apr.

Abstract

When Escherichia coli K-12 Hfr.H was induced to synthesize beta-galactosidase in the presence of glucose, an untranslated lactose-specific mRNA (lac-mRNA), protected from decay, was found to accumulate progressively within the cells. The lac-mRNA accumulation was unaffected by the carbon source on which the cells had been grown before the induction. The amount of the lac-mRNA available for translation was affected by catabolite repression and 3':5'-cyclic AMP, but it remained unclear whether this was a direct effect on the formation of the lac-mRNA or a consequence of the effect on its translation.

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